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Heterocyclic building blocks

5-Methylindoline

Also known as 5-methyl-2,3-dihydro-1H-indole, 1H-Indole, 2,3-dihydro-5-methyl-, 2,3-Dihydro-5-methyl-1H-indole

CAS 65826-95-1Formula C9H11NMolar mass 133.19 g/molEC 672-683-9
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Hazardous to the environment 1 supplier listed
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5-Methylindoline chemical structure, C9H11N, CAS 65826-95-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
65826-95-1
Formula
C9H11N
Molar mass
133.19 g/mol
EC number
672-683-9
HS code
293399
Category
Heterocyclic building blocks

What is 5-Methylindoline?

Plain description, key identifiers and synonyms

5-Methylindoline is a chemical substance with the molecular formula C9H11N and a molar mass of 133.19 g/mol. Its CAS registry number is 65826-95-1. The IUPAC name is 5-methyl-2,3-dihydro-1H-indole.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-methyl-2,3-dihydro-1H-indole
CAS number
65826-95-1 CAS number cross-checked
EC number
672-683-9
Molecular formula
C9H11N
MDL number
MFCD03093636
InChIKey
JFUAVVHABJWSFX-UHFFFAOYSA-N
InChI
InChI=1S/C9H11N/c1-7-2-3-9-8(6-7)4-5-10-9/h2-3,6,10H,4-5H2,1H3
SMILES (canonical and isomeric)
CC1=CC2=C(C=C1)NCC2

Synonyms

  • 5-methyl-2,3-dihydro-1H-indole
  • 1H-Indole, 2,3-dihydro-5-methyl-
  • 2,3-Dihydro-5-methyl-1H-indole
  • 5-Methylindoline, AldrichCPR
  • 5-methyl-indoline
  • 1H-Indole, 2,3-di

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
133.19 g/molcalc.
Exact mass
133.0891 Dacalc.
LogP (octanol/water)
1.96calc.
Topological polar surface area
12.03 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
10calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.33calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc2c(c1)CCN2

c1ccc2c(c1)CCN2

2 rings, 9 atoms, the Indoline ring system.

4,463 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H301Toxic if swallowed.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P391Collect spillage.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

5-Methylindoline suppliers

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Where suppliers are based

1 supplier in 1 country

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5-Methylindoline price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 5-Methylindoline is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for 5-Methylindoline is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 5-Methylindoline, based on the data on this page

What is 5-Methylindoline?

5-Methylindoline is a chemical substance with the molecular formula C9H11N and a molar mass of 133.19 g/mol. Its CAS registry number is 65826-95-1. The IUPAC name is 5-methyl-2,3-dihydro-1H-indole.

What is the CAS number of 5-Methylindoline?

The CAS registry number of 5-Methylindoline is 65826-95-1.

What is the molecular formula and weight of 5-Methylindoline?

The molecular formula of 5-Methylindoline is C9H11N and its molar mass is 133.19 g/mol.

What is 5-Methylindoline used for?

Known uses and roles of 5-Methylindoline include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 5-Methylindoline hazardous?

5-Methylindoline carries the GHS signal word "Danger". Main hazards: toxic if swallowed, toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 5-Methylindoline?

5-Methylindoline is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 5-Methylindoline?

CompoundList lists 1 supplier of 5-Methylindoline in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 5-Methylindoline?

Suppliers quote 5-Methylindoline on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle 5-Methylindoline

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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